diff options
Diffstat (limited to 'sql/mf_iocache.cc')
| -rw-r--r-- | sql/mf_iocache.cc | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/sql/mf_iocache.cc b/sql/mf_iocache.cc index cddacaa820f..bf2f2c37409 100644 --- a/sql/mf_iocache.cc +++ b/sql/mf_iocache.cc @@ -57,6 +57,7 @@ int init_io_cache(IO_CACHE *info, File file, uint cachesize, /* There is no file in net_reading */ info->file= file; + info->pre_read = info->post_read = 0; if (!cachesize) if (! (cachesize= my_default_record_cache_size)) DBUG_RETURN(1); /* No cache requested */ @@ -535,8 +536,13 @@ int _my_b_async_read(register IO_CACHE *info, byte *Buffer, uint Count) int _my_b_get(IO_CACHE *info) { byte buff; + IO_CACHE_CALLBACK pre_read,post_read; + if ((pre_read = info->pre_read)) + (*pre_read)(info); if ((*(info)->read_function)(info,&buff,1)) return my_b_EOF; + if ((post_read = info->post_read)) + (*post_read)(info); return (int) (uchar) buff; } |